*SUPPORT*
IN: wif dax OUT: PINK GREEN
IN: gazzer OUT: BLUE
IN: zup tufa zup OUT: RED RED RED
IN: zup tufa gazzer OUT: BLUE BLUE RED
IN: dax OUT: GREEN
IN: zup tufa wif OUT: PINK PINK RED
IN: dax gazzer OUT: GREEN BLUE
IN: zup blicket OUT: RED RED
IN: gazzer lug OUT: BLUE BLUE BLUE
IN: zup OUT: RED
IN: zup dax dax blicket OUT: RED GREEN GREEN GREEN
IN: dax blicket OUT: GREEN GREEN
IN: zup gazzer zup wif lug OUT: RED BLUE RED PINK PINK PINK
IN: wif dax blicket OUT: PINK GREEN GREEN

*QUERY*
IN: wif OUT: PINK
IN: zup lug OUT: RED RED RED
IN: wif tufa dax OUT: GREEN GREEN PINK
IN: gazzer blicket OUT: BLUE BLUE
IN: dax lug OUT: GREEN GREEN GREEN
IN: zup tufa dax OUT: GREEN GREEN RED
IN: wif tufa gazzer OUT: BLUE BLUE PINK
IN: wif lug OUT: PINK PINK PINK
IN: dax gazzer tufa gazzer OUT: GREEN BLUE BLUE BLUE
IN: gazzer tufa dax OUT: GREEN GREEN BLUE

*GRAMMAR*
dax -> GREEN 
 gazzer -> BLUE 
 wif -> PINK 
 zup -> RED 
 u1 tufa u2 -> [u2] [u2] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 